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$a = "Hello "; $b = "World"; (a) $c = $a.$b; (b) $c = "$a$b"; I would like to know which one is faster to concat (a) or (b). I do realize that the time difference is very small, but you can feel it in extremely big loops.

So I've really been wanting to buy an older Katana, but the thing is, a lot of people keep telling me (I'm a new rider) that Katanas aren't good starter bikes. I don't really understand what they mean when they say that, So my question is, what exactly is a "starter" bke, and what are some...